Patents by Inventor Aoki Hirokazu

Aoki Hirokazu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Signal processing circuit for magnetic bubble memory devices
    Patent number: 4538242
    Abstract: A signal processing circuit for a magnetic bubble memory device is arranged to set a reference level for determining the level of "1" or "0" of the bubble sensing line signal during a period in which only a read signal corresponding to level "0" appears as the output signal of a differential amplifier of the bubble detector circuit.
    Type: Grant
    Filed: July 6, 1983
    Date of Patent: August 27, 1985
    Inventors: Takashi Toyooka, Aoki Hirokazu, Mamoru Sugie, Yutaka Sugita